RFR: 8256862: Several java/foreign tests fail on x86_32 platforms [v2]

[Athijegannathan Sundararajan]

On Wed, 25 Nov 2020 22:00:13 GMT, Jorn Vernee <jvernee at openjdk.org> wrote:

>> This patch fixes several failures on x86_32 of java/foreign tests.
>> 
>> This is mostly done by disabling the failing tests, but the impl of CLinker is also adjusted ton properly detect 32 bit platforms as unsupported.
>> 
>> CLinker is specified to fail in the initializer on unsupported platforms, and a test is added to verify this as well.
>> 
>> Note that this adds requires clauses to the failing tests that explicitly enumerate all available platforms, so this should fix the test failures on other platforms as well.
>> 
>> https://bugs.openjdk.java.net/browse/JDK-8256757 is filed for the remaining failure in TestStringLatin1IndexOfChar.
>> 
>> CSR link: https://bugs.openjdk.java.net/browse/JDK-8256863
>
> Jorn Vernee has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Exclude TestNulls as well

Marked as reviewed by sundar (Reviewer).

-------------

PR: https://git.openjdk.java.net/jdk/pull/1386